package com.itheima;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/registerServlet")
public class RegisterServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String []usernames={"admin","tom","jerry"};
        String username = req.getParameter("username");
        System.out.println(username);
        for (String name : usernames) {
            if(name.equals(username)){
                resp.getWriter().write(""+true);
                System.out.println("用户名已存在");
            }
        }
        System.out.println("push2");

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req, resp);
    }
}
